Home21-NA-124 · BUICK, CADILLAC, CHEVROLET, GEO, GMC
BUICK, CADILLAC, CHEVROLET, GEO, GMC

21-NA-124

Manufacturer communications

Publication date
2022-12-14
Received by NHTSA
2023-01-06
NHTSA record numbers
10228888

Manufacturer summary

Original wording in English

This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

NHTSA manufacturer communications ↗

Reported code forms

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
ChevroletCOBALT2012
ChevroletCOBALT2011
ChevroletCOBALT2010
ChevroletCOBALT2009
ChevroletCOBALT2008
ChevroletCOBALT2007
ChevroletCOBALT2006
ChevroletCOBALT2005
ChevroletCOBALT2002
ChevroletCOBALT2000
ChevroletCOBALT SS2010
ChevroletCOBALT SS2009
ChevroletCOBALT SS2008
ChevroletCOLORADO2023
ChevroletCOLORADO2022
ChevroletCOLORADO2021
ChevroletCOLORADO2020
ChevroletCOLORADO2019
ChevroletCOLORADO2018
ChevroletCOLORADO2017
ChevroletCOLORADO2016
ChevroletCOLORADO2015
ChevroletCOLORADO2014
ChevroletCOLORADO2013
ChevroletCOLORADO2012
ChevroletCOLORADO2011
ChevroletCOLORADO2010
ChevroletCOLORADO2009
ChevroletCOLORADO2008
ChevroletCOLORADO2007

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